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.dds

DDS file: what it is and how to open it

A .dds file (DirectDraw Surface) is a texture image used by DirectX games and mods.

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Contenta Converter results screen showing 32 converted photos and a before and after preview
The results screen of Contenta Converter: 32 photos converted in 47 seconds, with a before and after preview.
  1. Add your DDS filesDrop in single files or a whole folder.
  2. Pick output formatJPG, PNG, TIFF, PDF and more.
  3. Click ConvertEvery file converted in one pass.

The same photo, five outputs

Photo of a stage set with a bed, a small table and a checked sofaDSC_0001.NEF · 3900×2613
  • PNG.png1.9 s
    16.1 MB
  • AVIF.avif2.2 s
    2.02 MB
  • JPG.jpg1.7 s
    1.69 MB
  • WebP.webp1.7 s
    1.32 MB
  • JPEG XL.jxl1.7 s
    1.12 MB
One Nikon D60 RAW file converted to five formats, at quality 90 where the format has a quality setting. PNG is lossless, so it is the largest. Seconds are the median of three runs. Measured with the Contenta Converter 9.0.35 command line on an AMD Ryzen 9 3900X, 2026-09-30.

Windows Photos cannot open it. Free editors such as Paint.NET and GIMP can, one file at a time. Contenta Converter batch converts classic DDS textures (uncompressed, DXT1, DXT3 and DXT5) to PNG, JPG or TIFF.

How to open a .DDS file on Windows

  1. Paint.NET (free). Opens and saves DDS, including newer BC7 textures. Best for editing one texture.
  2. GIMP (free). Opens DDS files and exports them to PNG or JPG.
  3. texconv (free, from Microsoft). A command-line tool from DirectXTex that converts any DDS, BC6H and BC7 included, to PNG.
  4. Contenta Converter, for whole folders. Drop a folder of uncompressed, DXT1, DXT3 or DXT5 textures and export them all to PNG, JPG or TIFF in one pass.
✓ 100,000+ users worldwide · 100+ formats supported · Free trial, no time limit

Format

DDS

Company

Microsoft

Description Формат DirectDraw Surface (.dds) используется для хранения текстур и кубических карт окружения, в сжатом и несжатом виде. Поэтому этот формат подходит для хранения сжатых данных DXTn, используемых в графических процессорах и консолях, например, Playstation 3 и Xbox 360.
Benefits GPU-native. A DDS texture loads as-is into video memory — no CPU-side decoding, dramatically faster level loads. Stores mipmaps inline (pre-computed smaller versions for rendering at a distance). Supports cubemaps for skyboxes and reflections. Broadly supported in game engines: Unreal, Unity, Source, id Tech, and most modding tools.
Drawbacks Hardware-oriented format — most image viewers and editors either can't open it or strip the GPU-specific metadata when saving. DXT/S3TC compression is lossy and blocky on gradients (avoid for UI art). File sizes are fixed by texture dimensions and compression choice, not image complexity — a mostly-black 2048×2048 DXT5 is the same ~5.5 MB as a detailed one.

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Frequently Asked Questions about DDS

Why won't my DDS file open in Windows?

Windows Photos has no DDS decoder. Use a free editor such as Paint.NET or GIMP to view it, or convert it to PNG.

Which DDS files can Contenta Converter convert?

Uncompressed DDS and the classic DXT1, DXT3 and DXT5 (BC1 to BC3) compressions used by most older games. For BC6H and BC7 textures, use Microsoft's free texconv tool.